Machine for the calculation of interest and similar values.



V. BERNOVITS.

MACHINE FOR THE CALCULATION OF INTEREST AND SIMILAR VALUES. APPLICATION FILED MAR. 7, 1912..

I 1,145,179. Patented July 6, 1915;

6 SHEETSSHEET l.

COLUMBIA PLANOGRAPH 60.. WASHINGTON. D. C.

V. BERNOVITS.

MACHINE FOR THE CALCULATION OF INTEREST AND SIMILAR VALUES.

' APPLICATION FILED MAR- 7. 19I2.

1,145,179. 7 v A Patented July 6, 1915.

' 5 SHEETS-SHEET 2. c: v 0 Q A "3 BLT AUGUST SEPTEM OCTOBER ENB QANZSAR JUN I JUL] AUQUST 0 ENBER DEZENBE MAI JUN] JULI OCTOBER BER APRIL MAI zI sI OCTOBER MARZ APRIL LI us'r FEBRISA MARE AP 1 AUGUST JANUAR .FEB JULI Z9 27 W 66565: fzwezzior,

. I f f f j I V I W COLUMBIA PLANOCIRAPH c0.,wASHINuTON, D. c.

V. BERNOVITS.

MACHINE FOR THE CALCULATION OF INTEREST AND SIMILAR VALUES.

A'PPILICATION FILED MAR. 7. 1912.

1,145,179. Patented July e, 1915.

V l s SHEETSSHEET 3..

Wjinwaea. I Invenior;

' Z6020? Err/wads 4 f/VM/wfl M I W I /W MW 44?,

V. BERNOVITS.

' 'MACHINE FOR THE CALCULATION OF INTEREST AND SIMILAR v LuEs.

APPLICATION FILED MAR. 7, 1912.

W W J] iwa J.

1 1. 11. 1 tlt tLIr ttv Patented July 6,1915. 1

6 SHEETS-'SHEET 5,

v. BERNOVITS. .MACHINE FOR THE CALCULATION -OF INTEREST AND SIMILAR VALUES.

. MAR 7 LIT n w v/\. M 1 k m W 7 M \W m 1 QM L .W F @I V Illll III s 8% l 1 IflZJGiZiO? W c6. @pdarjiernaapia V. B-ERNOVITS.

MACHINE FOR THE CALCULATION OF INTEREST AND SIMILAR VALUES.

APPLICATION FILED MAR.7.1-9l2. 1,145,179.

, Patented July 6, 1915..

6 SHEETS-SHEET 6- 40 interest; These-table strips of the single bands areshowingthe consecutive interests N I bers of each "pair of strips in proper rel andieach set' of them stands the contions Gd which differin 'positio'n byfone vtrolzofza spring ;73, which acts upon a sleeve 9.5L onthe crossbar 945, -,in order to niove the sleeveand the attached two prismatic bodies in the'direction of the arrow at (Fig; 1). w i I For every particular calculation'th'edis:

" a placement of the rotary' prisms m'ustcorre A ter must firstlybe removed to a certain dis:

spend to the number of the days of thecorresponding months involved. Each stripjof the bands 16 except the one on the extreme left of. Fig. 2,: has 34 consecutive numbers of ftheinteresttable. '34 numbers ofthe table c j are carried bythe' remaining prism for thus m ma-Ea h.tabhmust, of'course, be able to represent any month, and therefore must ry" a-tleast' 31 numbers.

:iveuldfbe considered with that, rrionth; are

the case; ofjl lj bruary, considered with we the 'following nionth, March; that is,' the lastthree vnumbers on the February ftable mum of 31; andthes'e s Inore,-1Inakei3 Any v iiepresentMaroh; therefore each one must I carryat leastB numerals deslgnatmg suc tcessive increments .of interest, "in which "case, I

the last three nurneralsjo'n thecone strip are I repeated; at the head of the'succeedingstrip.

vl Vhile then, is the minimunraniount of numbers, it "maybe convenient to repeat, at

the head of the'sucoeeding table, morethan' three numbers; ,In Fig. 2', however, only i the three numerals-cc0rresponding'to '29,. 0.v and 31 are' repeated' at thehea'd of the suc-,

c'eeding strip Thelfirstjnu'mberof the table of the firstband onthe rotary prisrnfi is zero since thejfirst'day is notyet bearing of a unit value, for instance oneheller from the second day-of the first Inonthas decimal fraction ofznine characters, thellast five. V

v'olved;for thatpair of strips. That is,iif;

significant figures of which are read off on I the stript16, fourciphers being inserted between the,- decimal pointand thesefive fig-.

; the interestsfolfthe consecutiyeinonths.

' lhe automatic adjustments of the rotary prisrns ;4,,5,fl6,=7 '8'," 9jand the bands 16 is.

effected byjthe' projection 30 on each cross piece 94; engaging with projections 63, which 'projectionsare fixed upon a revoluble shaft 61, which canbe turned .by means of gearing of the prismatic bodies-according @to' the v 1 numherof the days of the month'tobe calcul atedfllloreach stripllfiprovided with;

the interest ta le th r e p' e i .e en J A vided" under the "lowermost u'isinetic no operated. by a handle. The projections 'are of different lengths and; serve; to effect auto me rically. the above-,rnentioned .jadjustmen't the shafthl radiallytwelve similar projec v.sponding to the differenceaof the days of are only shown four projections 63.)

"61, 'so that this, latter canberevolved with:

Jtric cylinder 89", which. shaft when turned [Side movesfthe crossbar 9&1 op i t t n v Now since Febi l nary hasfbut 28 days, the n nnloef 9 -9.v

eccentric there might also be used any 0th eccentric on the crossbar 94 relaxes;

the adjusted projectionson-the shaft- 61 "uisite month; Corresponding to this" axial displacement of the prisms and tables, there are two of these longitudinal strips for each 7 cent "and;substantially paralleljtofand on opposite sides of their-[respective table; "'II fese strips are movable" longitudinally: by {being iho'unted on rollers 23,24325 and I through means described'below, in orderto there are days in the particular month involved, -the numeral 1 j'on the ,righthand 'the-lefthand strip. 1 g j a. projection shaft60 is provided which" 61 and i'sgeared'withthe latter'by gea ,wheels" 84;,fso thatqthe relationship between 61 alwa 'rs idefinite{that is, if one shaft four divisions of-the interest; tab1e'fcorrethe separate months; (-28 to.31. (In Fig.1

7111 order to be able' 'to effect an axial ad"- ustlnentof the. prismaticbodieel these lattance fro n the, projections 63 on the shaft out hindrance. Forwthis purpose there is providedthe shaft 103 carryingan eccen-i direction lof the arroijs a overcomingthe convenient; device for-the adjustntierfifiof the crossbar 94. If then; the 'shaft bermther turned so thatthe pressure of} the they latter pushed along by means of; the springs {73 until 'thegp'ins 8Q strike, against w ere yiifl ju ment. f t P 2 15? body isieif'ected' corresponding to the reqe m "be l g udinal displacement of the Strips ivlh eh S r f fn ralsfrom; 1 to 31, for the-dayslof them onthr gThe interest tablefthe two beinglocated adj bring, them a into proper relation with "the tables: in the various adjusted position thereof, and in order to bring the two mern tion with one another, dependent uponithe v number of daysinthe particular inonth instrip placed horizontally acrossfrom the numeral 29 onftheileft handfstrip; fiff30 days, thenumeralof the righ'tlhand strip is placed horizontally across, from the of is formed inthe same Inanner as the shaft the projections on these two] shafts 60f and? is; set for o a given month, the "other shaft; geared thereto, is likewise set forethat Inonth.; the purpose of: the relative displace Inentof. theiseperatestrips ZOfthere is pro; v

lot-ii the machine on, side far f engaged attheirjyendsieaoh-in the hooks connectediadjustably. vmale slide82 and in such a dnanner that the Qraoks can he moved n'thei ongip udina directio l rth tooth ,s

sition' {they are setgintheir adjusted po'sir I tions, accjordin' the'jmonths involved, by,

"ibeingjmoved 't I as the, c a'se;may be.{. Theextent of therel'ativelj moveinentl of; each rack, and j conse-.

.7 j quently of,each,tapef20is, at the'most, 0:113

' four-notches of therack, loecense.jthe difference in .thenumber ofjdays in any-two I 1 Mounted on fthe prismatic shafts 96 and 7l,- journaled'in the casing, isa sectional table 70, composed ofistrips -extending horizontally: across the machine, linked together l Pto'form' an -endless belt. These strips, are

fs hQwn rigva I :I 'e'epholei; arranged acrossgahove a in'soribed withg'thennames offlthe' months; as

ide another, and in eeph'ole,';;there; 'n iust also be; adjusted thep oj s that {month-i12- he mach-ine is prov 1 three operations ithat actuate these lunlockr iiijsm fon hringingtheseveral parts of the 1 -lo mg dev n ts" o th 1 uidejsf 100,5101, The, strips or 'ribbonss20 o ashort toothjrack' 79- which "racksare;

I l the extrelne lefhso that the racks '79 engage, -Witl1 their respective pro jections on thefish'afttOffiand are shoved, along a notch or two, or-remain stationary;

months is, fat ,the)1jnost, .-only -four, that is, I from the 28-day month to; the 31-day month ld appears-retire. months fro n {their startingposition; that is,'t o the'posi *tion shown in Fig. 4.1 By the time that the 'cylinde'r has gOtten this'far around, the pin; 106 haspressed down on the lever 88,]and.

caused its toothed end to release the Wheel I Thus thesecond unlocking operation v e interest is to be calculated. Qo rpondingjto the .Inonth whichv appears in I ections o fthe shafts 60. and: 61 .acgf wardin -to th numb r q i'day ft e ecutive; ;m onth s,. -;and this is accomplished a I 515a; 'ing'ldevicea each ofwhich nust be unlocked fbefore 1 -a"'a 9 a on, may be made. Th

r ng; devicesqsinniltaneously actuate mecha fn'achine into proper adjustmentfor the par? ha sm involv d W w: b de-I r ingn onths assumethe r respective position 1114' regularjorder horizontally across behind i I 5; eyer v62,if$6{ Figs; 1 and/4, lfulcrumed on the blindgand at the same time shaft 96 and v the frame of themaohine -andprovided With :atoothedghezid 9v7 that adapted to engage with and lockf-tli'egear Wheel 105 I against rotationLThis Wheel 1 05is" rigidlyv mounted on thepin -loearing shaft 61, and

' so Will prevent rotation" of that shaft it is' itselflocked, The lower end of this lover I 62 -i s pivoted onthe 'end'oii a rod 74, that is movablejback and forth insuitable apertures'in the casing. I This rod 74: hasa stop f 81 firmlvfixed thereon "A helical spring 78 is interposedbetween this stop 81 and the: casing, and presses the rod Q74Qto the" left; The slide 82 carries a finger] 75, s0 placed that when the slide '82 has been moved tothe right and the toothed racks 79 'moved to theirstarting position,- by having been shoved by abutting against the stop 80, the finger 75 has contacted with the stop I 81 and moved it to the right far enoughto cause thetoothed head 97 of the lever 62 to bedisengaged from the gear Wheel' 1O5.

sis

Thus the first unlocking operation is com- 1 "completed; see Fig. 4. I a I I I The second unlocking device consists of the lever 88, fulcrumedon theframe, and

"provided With a toothed head adapted to engage with and lock. the gear 'Wh'e'el 1 05 against rotation' The eccentric cylinder 89 carries thereon a pinlOd-see Fig. l, that is adapted to engage Wlththe butt end of the bars 94:, and. presses the Whole series arms, prisms and interest tables :16, to the -ight, to

is ls completed', and the second adjustment,

Fig; 4 The blind72, however, is still cover- I ing up'ni the months, except the one on the FJanuar see II I extreme left, in this case Figs. & and 6; The blind is held in this position by the retracting'spring 90. The Whole train of gears connecting-shafts196, Bland 60 is now released. The handle 31 is vpleted, and the first adjustment, that of moving the racks 7 9,}and consequently, thestrips 20, to their starting-position; is also nowturnedhv the operator until-theemontlr at avhiohftheoalculation is to begin appears; at the extreme leftgof the blind- 72, assh oWn,

in Fig; 6: sodoing, the proper succeed:

loo

"said racks tbgive a' longitudinal ed.- jiistm'entof said strips 'oorr'esponding 'to the numberor days in the {different monthsinv'ol'v'ed ndigearedconnections between said --first"and second arotatableshafts, adapted to maintaing'iten set relationship between pt'tirs of longitudinally adjustable strips- *6. In it machi-ne of "the chzti'aoter described, the ,combirmion of I a series of i'nteia est tables, showing' 'suo'e'essive increments of lnterest on successlve days, correspond ng bearing the" nume als of the "days" of the month th ereonfloo'zited bes'ide said tables",

fseriesfof toothed reoksfeaoh raek engag ing With/the ends of zt'pztir of'strips, adapted been; a k i gfir fi p m f lengths proportional to the number of days in' 'the di'iferentmonths invblvedysaid pins beiiig idapted toengege With said racks "to lildjiistsstid strips 'lon'gitiidinallyto positions tw t-nick it al 'po-' sition, and means to moresaid toothed racks v fdepenident" uprqg the 'niimber "of days in the several nionths" involved, means for moving s in the reverse direoti'on into engagement "With'the s aid pins on said'rotatztbleshttft,

ipoiti i the character d jf's cr i'hd'gthe .oinbiiiati dh of aseries of 1onil d nel y ad l abl i e t bl howf pinslon periphery: for 'ezteh offs a'id i e l n t s a d pins a yin P Q- nally to" the nninber' of days in the difi h fent" nth's,'. being ztdzipted i ngage saidta'bles, longitudinal strips,

ibzf ringiiiunier'als designating the days .of

' "th m th filq fl dlre ks ng i h ds (of said st'rips,'a' second rotatable shaft, oarrying e setof pins foreach of said racks,

v proportion d its" in'i salid" first;'I nentioned "shaft, adapted to lengzi'ge With'said racks,

geared conne'etio ns between two pin best-ring. shafts; 'inean s to inojve said interest {tables to an stitrting position, means fmgive ."saiid "toothed racks to an.. initial starting position, at locking device adapted to lokisaidt vv'o pin bearing shaftsftdapted to hennlooked upon the moyement of said ta- "jble s to -the's tartin'g' position; and a; second Stlrting position. P

, s'erihed, theeombinetion of a rotatable shaft,

s; I" ema'ohinefof the. eharitct'erqdetearing an fitsfperiphefry the naines of the "month :horizontail and" vertical rows,

" ateries of'longitndinally adjustable inter lt z'tbles nawing "siiooes'sive increments "of i fand setthem different longitudinal inonthf engaging with "toothed? racks, per

1 third rotatable shaftg' b'earing pins- 17s d 'sztid' secondsheft, s ztidpins being "adapted to ing to the numberof ditys in the month {that} on the extreme left; and: means "to re l'dngitndin'allyrmov ablef' interest tables,l

ition to 3 'definitejstarting' position," Ineins and means to" sto the travel ofsaid table" ieversedire'otion proportiona'lto theperiod,

- g snc'oessive nprements; ofiinterest on slicother, such different longitudinal relatio' for adjusting the longitudinal relation '2 the number I of, days in the ptrti'culetrmon nal dire ction, located adjacent to mdsuh; sta-ntially parallel with the said tables, said of the month; whereby variolis amounts" of interest on successive days, a second rota table shaft, bearing pins onjits periphe of, lengths proportional to'the-numher'fo days in the different monthsfsaid'pinsbeili adapted to engage With said interest table sitions, longitudinally movable; strips; bear ing numerals 1 showing the days the ni'itting relative -'longitudina l adjustment ngage with said racks to setlthe "strips different longitudinal pos tions; correspond inj olved; geared" fconnectionsl between th three-rotatable shefts, a; blind; ad'aptedi t oover a'll the names of the.months*exoep lease 'hlind :upon' sgtid toothed "reok's' in moved vto engage with --the pins 'o'I'r sai scribed; the Combination with "2L Yseries- *0 meziiisfforlinoving said tables in one dir mo e said tables in the "reverse direction,

ivli'edthey have traversed 'jdist'ances in oftime involved by the severaltables! 1 l0. In'e'machine of the chmmer scribed, the combination of zi seriesof in terest itables, corresponding t fa series" 0 months, bearing ehara'cters thereon showing snecessi-Ve inorements of interest soh' sliee "sive' days, means for; moving-said tables'into difiere o longitudinal relation" with each being dependent upon the number of da, in the difieren't "months involved, a cor sponding series of pairs of strips, e'a eh' pair,

being" located adjacent "and s lbstantielly parallel"toitsrespective-interest 'tztblefnieen ti'i een'the strips ofealchi path, 'aeeordingj to involved; an d -rn'ieniis for longitudinally: a

the x dayof the month fromfl WVlllCllthe'f in terest is calculated. 1

111111 "a; machine of the charzioter de" scribed, the: combination Withwseri'es of in terest tables corresponding to a 5 series of months; of a corre spondingfseries of pairs of stri s; relatively-movable ina longitudistrips carrying numerals {representing days of said numerals with 't'espect to'said tables,

fin iioh ed Withfeach pair of strips; -5 v 12'.In -;a'n1achine of 'the charaeter dej 1 0 dinal 'direction, located adjacent to and sub- "stantially:parallelrwith the said tables, said strips" carrying'numerals representing days I 0f the month; whereby various'amo'unts' of V interestmay he read off on the interest ta;

and fiih fpfadiustingth longitudinal a; 'atiOI1 =betWeen the strips of each pair, ac-f' ordiligto jthe length of the'peri'od of time cording to the length} of the periodof time involved with each pair of strips,- and means to simultaneously rhove 'all ofv said strips 1 longitudinally.

In testimony whereof I havefaffixedimy signature 1n presence of two wltnesses Jvroron BERNOVITS."

Witnessesizx 1: JOHN J. RONTO,"

a "HUGE KEMCUY.

H V Copies of thi s'patent may hobtained for five cents eaclnhy addressing the Commissioner of Patents,

"R washin tomnc." i 

